package com.cy.basic;

public class HelloWorld {
    /**
     * args参数用于接收运行时传入的参数
     * @param args
     */
    public static void main(String[] args) {
        System.out.println("HelloWorld");

        System.out.println("Hello"+(args.length>0?args[0]:"world"));
        System.out.println("agd反射弧123456");
    }
}
